Because it’s no longer socially acceptable. You should look up the history of dogwhistles about Jewish ownership of banks and financial firms. It usually seems

Because it’s no longer socially acceptable. You should look up the history of dogwhistles about Jewish ownership of banks and financial firms. It usually seems harmless, ex: “hey isn’t this owned by a Jewish person?” which masquerades the deep antisemitistic insinuation that Jews are taking over banking and media